Add vsyncId to transactions

This change is the first in a series of changes to add vsyncIds to
transactions so that SurfaceFlinger could identity jank related
to transactions. In this change we are sending the vsyncIds for
transactions originated by WindowAnimator.

Bug: 166302754
Test: manually see transactions in frame timeline
Change-Id: Ib0e9f4dcc873ab671c2bfded87868bfea2bf9366